Cancer Protein Description

This report provides a detailed description of a selected cancer protein with information collected from various sources, including UniProt, the Wellcome Trust Sanger Institute’s Catalogue of Somatic Mutations in Cancer (COSMIC), and the Atlas of Genetics and Cytogenetics in Oncology and Haematology.


Protein Name: MAGI3
Gene Name: MAGI3
Protein Full Name: Membrane-associated guanylate kinase inverted 3
Alias: Membrane-associated guanylate kinase, WW and PDZ domain-containing protein 3
Mass (Da): 162948
Number AA: 0
UniProt ID: Q5TCQ9
Locus ID: 260425
COSMIC ID: MAGI3
Gene location on chromosome: 1p13.2
Cancer protein type: TSP
Effect of cancer mutation on protein: UNCLEAR
Effect of active protein on cancer: INHIBITS
Number of cancer specimens: 20057
Percent of cancer specimens with mutations: 0.8
Normal role description: Acts as a scaffolding protein at cell-cell junctions, thereby regulating various cellular and signalling processes. Cooperates with PTEN to modulate the kinase activity of AKT1. Its interaction with PTPRB and tyrosine phosphorylated proteins suggests that it may link receptor tyrosine phosphatase with its substrates at the plasma membrane. Regulates the ability of LPAR2 to activate ERK and RhoA pathways. Regulates the JNK signalling cascade via its interaction with FZD4 and VANGL2. Prodominant effect is inhibitory on these systems and therefore loss of function may promote oncogenesis


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